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2c8c08f33a
All we need are a pages array, pin_user_pages_fast can give us that directly. Plus this avoids the entire raw pfn side of get_vaddr_frames. Note that pin_user_pages_fast is a safe replacement despite the seeming lack of checking for vma->vm_flasg & (VM_IO | VM_PFNMAP). Such ptes are marked with pte_mkspecial (which pup_fast rejects in the fastpath), and only architectures supporting that support the pin_user_pages_fast fastpath. Reviewed-by: John Hubbard <jhubbard@nvidia.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Inki Dae <inki.dae@samsung.com> Cc: Joonyoung Shim <jy0922.shim@samsung.com> Cc: Seung-Woo Kim <sw0312.kim@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Jérôme Glisse <jglisse@redhat.com> Cc: Jan Kara <jack@suse.cz> Cc: Dan Williams <dan.j.williams@intel.com> Cc: linux-mm@kvack.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-media@vger.kernel.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20201127164131.2244124-2-daniel.vetter@ffwll.ch
124 lines
2.9 KiB
Plaintext
124 lines
2.9 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config DRM_EXYNOS
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tristate "DRM Support for Samsung SoC Exynos Series"
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depends on OF && DRM && COMMON_CLK
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depends on ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || ARCH_MULTIPLATFORM || COMPILE_TEST
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depends on MMU
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select DRM_KMS_HELPER
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select VIDEOMODE_HELPERS
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select SND_SOC_HDMI_CODEC if SND_SOC
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help
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Choose this option if you have a Samsung SoC Exynos chipset.
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If M is selected the module will be called exynosdrm.
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if DRM_EXYNOS
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comment "CRTCs"
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config DRM_EXYNOS_FIMD
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bool "FIMD"
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depends on !FB_S3C
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select MFD_SYSCON
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help
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Choose this option if you want to use Exynos FIMD for DRM.
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config DRM_EXYNOS5433_DECON
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bool "DECON on Exynos5433"
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help
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Choose this option if you want to use Exynos5433 DECON for DRM.
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config DRM_EXYNOS7_DECON
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bool "DECON on Exynos7"
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depends on !FB_S3C
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help
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Choose this option if you want to use Exynos DECON for DRM.
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config DRM_EXYNOS_MIXER
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bool "Mixer"
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help
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Choose this option if you want to use Exynos Mixer for DRM.
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config DRM_EXYNOS_VIDI
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bool "Virtual Display"
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help
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Choose this option if you want to use Exynos VIDI for DRM.
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comment "Encoders and Bridges"
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config DRM_EXYNOS_DPI
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bool "Parallel output"
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depends on DRM_EXYNOS_FIMD
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select DRM_PANEL
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default n
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help
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This enables support for Exynos parallel output.
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config DRM_EXYNOS_DSI
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bool "MIPI-DSI host"
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depends on DRM_EXYNOS_FIMD || DRM_EXYNOS5433_DECON || DRM_EXYNOS7_DECON
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select DRM_MIPI_DSI
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select DRM_PANEL
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default n
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help
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This enables support for Exynos MIPI-DSI device.
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config DRM_EXYNOS_DP
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bool "Exynos specific extensions for Analogix DP driver"
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depends on DRM_EXYNOS_FIMD || DRM_EXYNOS7_DECON
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select DRM_ANALOGIX_DP
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default DRM_EXYNOS
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select DRM_PANEL
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help
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This enables support for DP device.
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config DRM_EXYNOS_HDMI
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bool "HDMI"
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depends on DRM_EXYNOS_MIXER || DRM_EXYNOS5433_DECON
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select CEC_CORE if CEC_NOTIFIER
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help
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Choose this option if you want to use Exynos HDMI for DRM.
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config DRM_EXYNOS_MIC
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bool "Mobile Image Compressor"
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depends on DRM_EXYNOS5433_DECON
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help
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Choose this option if you want to use Exynos MIC for DRM.
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comment "Sub-drivers"
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config DRM_EXYNOS_G2D
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bool "G2D"
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depends on VIDEO_SAMSUNG_S5P_G2D=n || COMPILE_TEST
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help
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Choose this option if you want to use Exynos G2D for DRM.
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config DRM_EXYNOS_IPP
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bool
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config DRM_EXYNOS_FIMC
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bool "FIMC"
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select DRM_EXYNOS_IPP
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help
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Choose this option if you want to use Exynos FIMC for DRM.
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config DRM_EXYNOS_ROTATOR
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bool "Rotator"
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select DRM_EXYNOS_IPP
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help
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Choose this option if you want to use Exynos Rotator for DRM.
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config DRM_EXYNOS_SCALER
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bool "Scaler"
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select DRM_EXYNOS_IPP
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help
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Choose this option if you want to use Exynos Scaler for DRM.
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config DRM_EXYNOS_GSC
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bool "GScaler"
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depends on VIDEO_SAMSUNG_EXYNOS_GSC=n || COMPILE_TEST
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select DRM_EXYNOS_IPP
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help
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Choose this option if you want to use Exynos GSC for DRM.
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endif
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